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DASCA Senior Data Scientist Sample Questions:

1. Semi-structured data does NOT include:

A) File systems
B) Schema-full data
C) Database system
D) Scientific data

2. What is Scrumban?

A) It is Scrum
B) It combines the principles of Scrum and Kanban into a push-based system
C) It is Kanban
D) It combines the principles of Scrum and Kanban into a pull-based system

3. Which of the following can be classified as factor analysis in machine learning?

A) None of the above
B) Confirmatory factor analysis
C) Both A and B
D) Exploratory factor analysis

4. Spark programs can be written in:

A) None of the above
B) Python
C) All of the above
D) Java
E) Scala

5. Which of the following is a Python library for fitting Bayesian networks to real data?

A) PyMC
B) MCMC
C) MyLib
D) SCIMC
E) SciLib

Solutions: